Now, don’t let this headline mislead you. Your HVAC system requires an air filter in order to protect sensitive components, such as the evaporator coil, from exposure to dust and dirt particles. However, these air filters have little to do with the overall indoor air quality in your home.

You may not have realized that a separate class of air filters exists and, if you or your family members have allergies and asthma problems, they might be just the thing to make all the difference. In this post, we’ll go over what you need to know about these kinds of air filters.